The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 23, 2013
Filed:
May. 26, 2010
Xingmin Xu, Guangdong Province, CN;
Hongfang Ai, Guangdong Province, CN;
Jian Han, Guangdong Province, CN;
Peng Ren, Guangdong Province, CN;
Xingmin Xu, Guangdong Province, CN;
Hongfang Ai, Guangdong Province, CN;
Jian Han, Guangdong Province, CN;
Peng Ren, Guangdong Province, CN;
ZTE Corporation, Shenzhen, Guangdong Province, CN;
Abstract
The present invention discloses a system and method for CSCF entity disaster tolerance and load balancing the system comprises P-CSCF entities, I-CSCF entities and S-CSCF entities, and further comprises a DNS Server. The present invention uses a DNS UPDATE message to report the load equivalent weight of the CSCF entity at regular time, so that the DNS Server can use the load equivalent weight when executing the load balancing strategy. It makes the disaster tolerance and load balancing in the IMS network be much easier to use and extend, thus reducing the load of the IMS network.